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The 1957 Andreanof Islands Earthquake: On March 9, 1957, the Aleutian Islands suffered a magnitude 8.3 earthquake.However, the resulting tsunami was smaller than the 1946 earthquake. Based on what scientists understand about the energy and characteristics of the earthquake, it should not have been able to generate either such a large local surge or such a devastating Pacific-wide tsunami.
"We found no landslide where there should have been a landslide, where I was positive there had to be a landslide," Gerard Fryer, a geophysics professor at the University of Hawaii, told Tsunamis can result from earthquakes in the seafloor, underwater landslides, and more rarely volcanic eruptions. The Eastern Aleutian earthquake of April 1, 1946 spawned Hawaii's most damaging tsunami. A bridge crossing the Wailuku River was picked up by the waves and pushed more than 300 feet away.The houses on the main street facing Hilo Bay were washed across the street and smashed against the buildings on the other side. Geophysical Journal International, 165(3), 835-849. In each case, the tsunami is actually a series of waves, much like what you can produce by paddling your hand in the bathtub.The word tsunami is Japanese for "great harbor waves." One of the most destructive Pacific-wide tsunamis - and the most severe in the Hawaiian islands - was generated by a large earthquake near Unimak in the Aleutian chain of islands of Alaska. The 1946 Aleutian Islands earthquake occurred near the Aleutian Islands, Alaska on April 1. The man in the foreground (lower left) became one of the 159 deaths on the islands. While we’re continuing to feature destinations that make our state wonderful, we don’t expect or encourage you to go check them out immediately.